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manoj kumar

· started a discussion

· 1 Months ago

Q.N. (Question:111033.2)

Solve kare

Question:

DIRECTIONS: Go through the bar charts below and solve the questions that follow.


There are only three cities  A, B and C, in a state.

Following table gives us the population figures of these cities (Figure in ‘000): 



Year

Population of 

city A

Population of 

city B

Average population of 

cities A, B and C

1997

40

50

40

1998

60

50

50

1999

70

30

50

2000

80

40

60


In 1998, the ratio of men to women in the given state is 1:1 and in 1999, the same ratio is 2:3. What is the percentage increase in the women population from 1998 to 1999?
Options:
A) 30%
B) 60%
C) 20%
D) 40%
E) None of these
Solution:

Total population in 1998 = 150000

Women’s population in 1998 = 15000× \(\cfrac{1}{2}\) = 75000

Total population in 1999 = 150000

Women’s population in 1999 = 150000×\(\cfrac{3}{5}\)= 90000

% increase = \(\cfrac{90000-75000}{75000}\)    ×100

= 20%

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